Home / 19,799.88-29,696.94-7,485

Finding the Fourth Proportional to 19,799.88, 29,696.94 and 7,485

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Solution

The fourth proportional to 19,799.88, 29,696.94 and 7,485 is: 11,226.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,799.88 : 29,696.94 = 7,485 : x
  2. Step 2: Convert to fraction form
    19,799.88/29,696.94 = 7,485/x
  3. Step 3: Cross multiply
    19,799.88x = 29,696.94 × 7,485
  4. Step 4: Simplify right side
    19,799.88x = 222,281,595.90
  5. Step 5: Solve for x
    x = 222,281,595.90/19,799.88
  6. Step 6: Final answer
    x = 11,226.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.